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105044505 = 3533121157
BaseRepresentation
bin1100100001011…
…01101000011001
321022122210222020
412100231220121
5203342411010
614231245053
72413602126
oct620555031
9238583866
10105044505
1154327545
122b219789
13189bb917
14dd4574d
15934e470
hex642da19

105044505 has 16 divisors (see below), whose sum is σ = 168586944. Its totient is φ = 55851840.

The previous prime is 105044497. The next prime is 105044507. The reversal of 105044505 is 505440501.

It is not a de Polignac number, because 105044505 - 23 = 105044497 is a prime.

It is a super-2 number, since 2×1050445052 = 22068696061390050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105044507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5614 + ... + 15543.

It is an arithmetic number, because the mean of its divisors is an integer number (10536684).

Almost surely, 2105044505 is an apocalyptic number.

105044505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105044505 is a deficient number, since it is larger than the sum of its proper divisors (63542439).

105044505 is a wasteful number, since it uses less digits than its factorization.

105044505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21496.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 105044505 is about 10249.1221575313. The cubic root of 105044505 is about 471.8360428930.

The spelling of 105044505 in words is "one hundred five million, forty-four thousand, five hundred five".

Divisors: 1 3 5 15 331 993 1655 4965 21157 63471 105785 317355 7002967 21008901 35014835 105044505